export default function $uGetRect(selector, all) {
		return new Promise(resolve => {
			uni.createSelectorQuery().
			in(this)[all ? 'selectAll' : 'select'](selector)
				.boundingClientRect(rect => {
					if (all && Array.isArray(rect) && rect.length) {
						resolve(rect)
					}
					if (!all && rect) {
						resolve(rect)
					}
				})
				.exec()
		})
}